Note that this service is for informational purposes only and is not
guaranteed to be accurate. We will try to correct issues if they are
pointed out to us, but will not accept responsibility for incorrect data
or service failure.

To use this service, you should issue an HTTP GET request against this URL
with the Accept header set to "application/xml" or "application/json".
Alternatively, a request may be issued with a URL parameter of "f" set equal
to "xml" or "json" (i.e., "?f=xml" or "?f=json").

You can download a sample perl script to fetch the spot prices and display them on the screen.